Home / 1,299,246.40-1,948,869.60-851,348.80

Finding the Fourth Proportional to 1,299,246.40, 1,948,869.60 and 851,348.80

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Solution

The fourth proportional to 1,299,246.40, 1,948,869.60 and 851,348.80 is: 1,277,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,246.40 : 1,948,869.60 = 851,348.80 : x
  2. Step 2: Convert to fraction form
    1,299,246.40/1,948,869.60 = 851,348.80/x
  3. Step 3: Cross multiply
    1,299,246.40x = 1,948,869.60 × 851,348.80
  4. Step 4: Simplify right side
    1,299,246.40x = 1,659,167,795,316.48
  5. Step 5: Solve for x
    x = 1,659,167,795,316.48/1,299,246.40
  6. Step 6: Final answer
    x = 1,277,023.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.